We open-sourced Sopro V2 Turbo – a 120M voice cloning TTS model that runs 5x faster than real time on CPU

Sopro V2 Turbo is an open-source TTS model that runs locally.

• Clones a voice from 5-20s of audio
• ~300ms to first audio on a laptop CPU
• English, European Portuguese, French, German

Local web UI:

uvx --from sopro soprotts serve

There’s also a Python API and a browser package (@soprotts/onnx-web) for WebGPU/WASM.

Repo: https://github.com/samuel-vitorino/sopro Benchmarks + samples: https://research.haloneuro.ai/posts/sopro-v2

Edit: Hugging Face kindly created a Space, making it even easier for you to try the model. You can try it here: https://huggingface.co/spaces/hugging-apps/sopro-v2-turbo-tts